/Engine/Source/Runtime/VulkanRHI/Public/VulkanDynamicRHI.h
Computes the total GPU memory a texture resource with the specified parameters will occupy on the current RHI platform. Also returns the required alignment for the resource.
virtual [FRHICalcTextureSizeResult](API\Runtime\RHI\FDynamicRHI\FRHICalcTextureSizeResult) RHICalcTexturePlatformSize ( [FRHITextureDesc](API\Runtime\RHI\FRHITextureDesc) const & Desc, uint32 FirstMipIndex )